SLATEC Routines --- D9B0MP ---

*DECK D9B0MP
      SUBROUTINE D9B0MP (X, AMPL, THETA)
C***BEGIN PROLOGUE  D9B0MP
C***SUBSIDIARY
C***PURPOSE  Evaluate the modulus and phase for the J0 and Y0 Bessel
C            functions.
C***LIBRARY   SLATEC (FNLIB)
C***CATEGORY  C10A1
C***TYPE      DOUBLE PRECISION (D9B0MP-D)
C***KEYWORDS  BESSEL FUNCTION, FNLIB, MODULUS, PHASE, SPECIAL FUNCTIONS
C***AUTHOR  Fullerton, W., (LANL)
C***DESCRIPTION
C
C Evaluate the modulus and phase for the Bessel J0 and Y0 functions.
C
C Series for BM0        on the interval  1.56250E-02 to  6.25000E-02
C                                        with weighted error   4.40E-32
C                                         log weighted error  31.36
C                               significant figures required  30.02
C                                    decimal places required  32.14
C
C Series for BTH0       on the interval  0.          to  1.56250E-02
C                                        with weighted error   2.66E-32
C                                         log weighted error  31.57
C                               significant figures required  30.67
C                                    decimal places required  32.40
C
C Series for BM02       on the interval  0.          to  1.56250E-02
C                                        with weighted error   4.72E-32
C                                         log weighted error  31.33
C                               significant figures required  30.00
C                                    decimal places required  32.13
C
C Series for BT02       on the interval  1.56250E-02 to  6.25000E-02
C                                        with weighted error   2.99E-32
C                                         log weighted error  31.52
C                               significant figures required  30.61
C                                    decimal places required  32.32
C
C***REFERENCES  (NONE)
C***ROUTINES CALLED  D1MACH, DCSEVL, INITDS, XERMSG
C***REVISION HISTORY  (YYMMDD)
C   770701  DATE WRITTEN
C   890531  Changed all specific intrinsics to generic.  (WRB)
C   890531  REVISION DATE from Version 3.2
C   891214  Prologue converted to Version 4.0 format.  (BAB)
C   900315  CALLs to XERROR changed to CALLs to XERMSG.  (THJ)
C   900720  Routine changed from user-callable to subsidiary.  (WRB)
C   920618  Removed space from variable names.  (RWC, WRB)
C***END PROLOGUE  D9B0MP